American Civil War: Battle of Missionary Ridge: Union forces led by General Ulysses S. Grant break the Siege of Chattanooga by routing Confederate troops under General Braxton Bragg at Missionary Ridge in Tennessee.

The American Civil War was a civil war in the United States between the Union and the Confederacy, which was formed in 1861 by states that had seceded from the Union to preserve slavery in the United States. The South saw slavery as threatened because of the election of Abraham Lincoln and the…